gulp-letters
Gulp tasks for easy letter styling development
Last updated 6 months ago by andreymaznyak .
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Gulp Letters

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The library for page making and testing of letters using Gulp, Pug, Sass и BrowserSync.


What is Gulp Letters

The main point of gulp-letters is to tie all the letter's page making to work with two basic files: .pug (layout) and .sass (styles). Live Preview in browser, emails sending, files conversion to html and css, styles insertion to layout file and complete letter building — all these can be done automatically by gulp-letters.

Outcome: maximum simplicity of letters development and support + ability of quick testing and building of ready templates.


Features

Working with files by name

Filename is central identifier in work with gulp-letters.
To do smt with letter, you must call it by name.

Create the new file via command gulp new -n <filename> and then use <filename> in every operation: sending email, opening in browser, making build, deleting → all by gulp command simply pointing this filename.

It allows to develop several letters at once calling them by filename.

Input: gulp <command> -n <filename> to point the gulp file you need to apply a command.

For example, you created a letter named code. By entering gulp serve -n code → gulp opens the letter "code" in browser and starts to track changes in code.pug and code.sass. After you save code.pug and code.sass – gulp will automatically update a tab with opened code letter in browser.

Creation of basic .pug and .sass

To start page making of a letter you need to create basic .pug file and .sass styles file. This is done by command: gulp new -n <filename>.

Live Preview in browser while saving changes in .pug or .sass

To begin reviewing page made letter in browser you need to run command gulp serve -n <имя файла>. Live preview in browser implemented via BrowserSync library.

Conversion of .pug and .sass to html and css

Upon entering the command gulp serve -n <filename> gulp-letters automatically creates dev/ folder & puts converted from .pug and .sass to .html and .css files there.

Sending emails

Any letter created in gulp-letters can be sent via command gulp send -n test .

Mail Config

SMTP server settings must be specified in gulpfile.js:

smtpServerConfig: {
	host: 'localhost', // smtp server host
	secure: false,
	port: 1025 // smtp server port
},

In gulpfile.js you need specify data for "subjects" block that has a container with sender's email, recipient's email and letter's subject:

subjects: {
	default: {
  		from: '"Mail new message ✉️ " <no-replay@localhost>',
		to: 'test@user.com',
		subject: 'This is new message ✉️'
	}
},

You can create container for every letter. Calling containers is done in the same way as for files - by name via send command.

Example: gulp send -n test → gulp initiates sending of letter titled "test" using data set in "test" container.

If there is no container named "test", then gulp will send a letter using data set in default container.

Letter building

Building of a letter is made via command gulp build -n <filename>.

Building process

  1. Gulp applies page making from corresponding .html, applies styles from corresponding css → defines them inline;
  2. Converts outcome file in .js and gives it a name set in p. Creation of basic .pug and .sass;
  3. Creates dist/ folder & puts generated .js file there.

Clean / remove

gulp clean – to clean "dist" folder gulp remove -n test – to delete all the files named "test" from every folder having gulp-letters installed.


Installation

  1. Create project folder with the structure
    src/
    ↳ sass/
    run command mkdir -p your-letters-project/src/sass && cd your-letters-project
  2. Go to folder's root and run command npm init, if you use yarn, then yarn init ;
  3. In folder's root run command touch gulpfile.js ;
  4. Open gulpfile.js and put:
const gulp = require('gulp');
// include default tasks registrator
const registerTasks = require('gulp-letters').registerTasks;
// define smtp config
const smtpOptions = {
  // nodemailer smtp settings
  smtpServerConfig: {
    host: 'localhost', // smtp server host
    secure: false,
    port: 1025 // smtp server port
  },
  subjects: {
    // define letters subjects
    default: {
      from: '"Mail new message ✉️ " <no-replay@localhost>',
      to: 'test@user.com',
      subject: 'This is new message ✉️'
    }
  },
  params: {} // define letters params
};

// register default tasks
registerTasks({ smtpOptions }, [
  'new',
  'serve',
  'build',
  'send',
  'clean',
  'remove'
]);
// define default gulp task
gulp.task('default', gulp.series(['build']));
  1. Run command npm install --save-dev gulp-letters, if you use yarn, then yarn add --save-dev gulp-letters

Gulp-letters library is ready. To perform functionality check run command gulp new -n test and then gulp serve -n test → result: test letter with text ::Hello letter test:: will open in browser.


Commands

Using an example file named "test".

new

gulp new -n test or gulp new -n "test1","test2" — automatically creates test.pug and test.sass; "test" can be changed to another name at will.

serve

gulp serve -n test — converts test.pug to test.html, test.sass to test.css; converted files will be put in "dev" folder – these files will be caught by BrowserSync that opens them in browser using localhost.

build

gulp build -n test – converts test.pug and test.sass to the single JS file defining styles inline. Created test.js can be placed in project.

send

gulp send -n test – sends a letter named "test" on email set in mail-config.json.

clean / remove

gulp clean – cleans "dist" folder
gulp remove -n test – deletes all the files named "test" from every folder having gulp-letters installed.


Requirements

Folders structure for project

src – development
↳ sass

dev - files for page making check on local server (html + css)
↳ css

dist – converted files for subsequent use (JS — styles inline)

Node.js 8.0.0

Node.js 8.0.0 (or later) required for gulp-letters to work.

Gulp 4.0

Gulp 4.0.0 (or later) required for gulp-letters to work.

ROADMAP

  • migrate to mjml
  • using pug

Current Tags

  • 3.0.0-rc.9                                ...           latest (6 months ago)

18 Versions

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